# git rev-parse -q --verify d32530f9c248d2d044d83865d38ebf27683391dc^{commit} d32530f9c248d2d044d83865d38ebf27683391dc already have revision, skipping fetch # git checkout -q -f -B kisskb d32530f9c248d2d044d83865d38ebf27683391dc # git clean -qxdf # git log -1 commit d32530f9c248d2d044d83865d38ebf27683391dc Author: David Gibson Date: Fri Dec 9 11:07:38 2016 +1100 pseries: Automatically resize HPT for memory hot add/remove We've now implemented code in the pseries platform to use the new PAPR interface to allow resizing the hash page table (HPT) at runtime. This patch uses that interface to automatically attempt to resize the HPT when memory is hot added or removed. This tries to always keep the HPT at a reasonable size for our current memory size. Signed-off-by: David Gibson Reviewed-by: Paul Mackerras Signed-off-by: Michael Ellerman # < /opt/cross/kisskb/gcc-5.3.0-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version # < git log --format=%s --max-count=1 d32530f9c248d2d044d83865d38ebf27683391dc # < make -j 48 ARCH=powerpc O=/home/kisskb/slave/build/powerpc-next_powerpc-allnoconfig_powerpc-5.3 CROSS_COMPILE=/opt/cross/kisskb/gcc-5.3.0-nolibc/powerpc64-linux/bin/powerpc64-linux- allnoconfig # make -j 48 ARCH=powerpc O=/home/kisskb/slave/build/powerpc-next_powerpc-allnoconfig_powerpc-5.3 CROSS_COMPILE=/opt/cross/kisskb/gcc-5.3.0-nolibc/powerpc64-linux/bin/powerpc64-linux- make[1]: Entering directory '/home/kisskb/slave/build/powerpc-next_powerpc-allnoconfig_powerpc-5.3' GEN ./Makefile scripts/kconfig/conf --silentoldconfig Kconfig CHK include/config/kernel.release GEN ./Makefile UPD include/config/kernel.release WRAP arch/powerpc/include/generated/asm/clkdev.h WRAP arch/powerpc/include/generated/asm/local64.h WRAP arch/powerpc/include/generated/asm/rwsem.h WRAP arch/powerpc/include/generated/asm/div64.h WRAP arch/powerpc/include/generated/asm/export.h WRAP arch/powerpc/include/generated/asm/irq_regs.h WRAP arch/powerpc/include/generated/asm/irq_work.h WRAP arch/powerpc/include/generated/asm/vtime.h WRAP arch/powerpc/include/generated/asm/preempt.h WRAP arch/powerpc/include/generated/asm/mcs_spinlock.h CHK include/generated/uapi/linux/version.h UPD include/generated/uapi/linux/version.h CHK include/generated/utsrelease.h UPD include/generated/utsrelease.h Using /home/kisskb/slave/src as source for kernel HOSTCC scripts/sortextable HOSTCC scripts/dtc/dtc.o HOSTCC scripts/dtc/flattree.o HOSTCC scripts/dtc/fstree.o HOSTCC scripts/dtc/data.o CC scripts/mod/empty.o HOSTCC scripts/dtc/srcpos.o SHIPPED scripts/dtc/dtc-lexer.lex.c SHIPPED scripts/dtc/dtc-parser.tab.h SHIPPED scripts/dtc/dtc-parser.tab.c HOSTCC scripts/dtc/dtc-lexer.lex.o HOSTCC scripts/dtc/dtc-parser.tab.o HOSTCC scripts/dtc/checks.o HOSTCC scripts/dtc/livetree.o HOSTCC scripts/dtc/util.o HOSTCC scripts/mod/mk_elfconfig CC scripts/mod/devicetable-offsets.s HOSTCC scripts/dtc/treesource.o GEN scripts/mod/devicetable-offsets.h MKELF scripts/mod/elfconfig.h HOSTCC scripts/mod/modpost.o HOSTCC scripts/mod/sumversion.o HOSTCC scripts/mod/file2alias.o HOSTLD scripts/dtc/dtc HOSTLD scripts/mod/modpost CHK include/generated/timeconst.h CC kernel/bounds.s UPD include/generated/timeconst.h CHK include/generated/bounds.h UPD include/generated/bounds.h CC arch/powerpc/kernel/asm-offsets.s CHK include/generated/asm-offsets.h UPD include/generated/asm-offsets.h CALL /home/kisskb/slave/src/scripts/checksyscalls.sh CC init/main.o CHK include/generated/compile.h CC init/do_mounts.o CC init/init_task.o CC init/noinitramfs.o LD usr/built-in.o UPD include/generated/compile.h CC init/version.o CC arch/powerpc/mm/mem.o CC arch/powerpc/mm/fault.o CC arch/powerpc/mm/pgtable.o CC arch/powerpc/mm/init_32.o CC arch/powerpc/mm/ppc_mmu_32.o AS arch/powerpc/mm/hash_low_32.o CC arch/powerpc/mm/mmap.o CC arch/powerpc/mm/init-common.o CC arch/powerpc/mm/tlb_hash32.o CC arch/powerpc/lib/alloc.o AS arch/powerpc/lib/string.o AS arch/powerpc/lib/copy_32.o CC arch/powerpc/mm/pgtable_32.o AS arch/powerpc/lib/checksum_32.o CC arch/powerpc/mm/mmu_context_hash32.o CC arch/powerpc/mm/hugetlbpage.o AS arch/powerpc/lib/crtsavres.o CC arch/powerpc/lib/checksum_wrappers.o CC arch/powerpc/lib/feature-fixups.o CC arch/powerpc/lib/code-patching.o AS arch/powerpc/lib/div64.o CC arch/powerpc/kernel/syscalls.o LD arch/powerpc/sysdev/built-in.o CC arch/powerpc/kernel/process.o CC arch/powerpc/kernel/align.o CPP arch/powerpc/kernel/systbl_chk.i CC arch/powerpc/kernel/cacheinfo.o CC arch/powerpc/kernel/cputable.o CC arch/powerpc/kernel/signal_32.o CC arch/powerpc/kernel/setup-common.o CC arch/powerpc/kernel/pmc.o CC arch/powerpc/kernel/io.o CC arch/powerpc/kernel/ptrace.o CC arch/powerpc/kernel/irq.o CC arch/powerpc/kernel/vdso.o CC arch/powerpc/kernel/udbg.o AS arch/powerpc/kernel/misc.o CC arch/powerpc/kernel/prom.o CC arch/powerpc/kernel/traps.o CC arch/powerpc/kernel/idle.o CC arch/powerpc/kernel/sysfs.o CC arch/powerpc/kernel/signal.o CC arch/powerpc/kernel/time.o CC arch/powerpc/kernel/dma.o AS arch/powerpc/kernel/idle_6xx.o CC arch/powerpc/kernel/prom_parse.o CC arch/powerpc/kernel/of_platform.o AS arch/powerpc/kernel/misc_32.o LD arch/powerpc/platforms/built-in.o AS arch/powerpc/kernel/l2cr_6xx.o LD arch/powerpc/math-emu/built-in.o AS arch/powerpc/kernel/cpu_setup_6xx.o LD arch/powerpc/crypto/built-in.o AS arch/powerpc/kernel/entry_32.o CC arch/powerpc/kernel/setup_32.o LDS arch/powerpc/kernel/vdso32/vdso32.lds VDSO32A arch/powerpc/kernel/vdso32/sigtramp.o CC arch/powerpc/kernel/pci_32.o CC arch/powerpc/kernel/pci_of_scan.o CC arch/powerpc/kernel/pci-common.o VDSO32A arch/powerpc/kernel/vdso32/gettimeofday.o CC arch/powerpc/kernel/iomap.o VDSO32A arch/powerpc/kernel/vdso32/datapage.o LD arch/powerpc/net/built-in.o AS arch/powerpc/kernel/head_32.o LDS arch/powerpc/kernel/vmlinux.lds VDSO32A arch/powerpc/kernel/vdso32/cacheflush.o VDSO32A arch/powerpc/kernel/vdso32/note.o AS arch/powerpc/kernel/fpu.o CALL /home/kisskb/slave/src/arch/powerpc/kernel/systbl_chk.sh AS arch/powerpc/kernel/systbl.o VDSO32L arch/powerpc/kernel/vdso32/vdso32.so.dbg OBJCOPY arch/powerpc/kernel/vdso32/vdso32.so LD arch/powerpc/lib/built-in.o AS arch/powerpc/kernel/vdso32/vdso32_wrapper.o LD certs/built-in.o LD arch/powerpc/kernel/vdso32/built-in.o LD arch/powerpc/mm/built-in.o LD ipc/built-in.o CC kernel/fork.o CC kernel/exec_domain.o CC kernel/panic.o CC kernel/cpu.o CC kernel/exit.o CC kernel/sys.o CC kernel/signal.o CC kernel/softirq.o CC kernel/sysctl.o CC kernel/sysctl_binary.o CC kernel/capability.o CC kernel/kthread.o CC kernel/ptrace.o CC kernel/sys_ni.o CC kernel/user.o CC kernel/resource.o CC kernel/workqueue.o CC kernel/extable.o CC kernel/task_work.o CC kernel/kmod.o CC kernel/pid.o CC kernel/notifier.o CC kernel/cred.o CC kernel/ksysfs.o CC kernel/async.o CC kernel/reboot.o CC kernel/params.o CC kernel/nsproxy.o CC kernel/smpboot.o CC kernel/ucount.o CC kernel/range.o CC security/commoncap.o LD kernel/livepatch/built-in.o CC mm/filemap.o CC security/min_addr.o LD crypto/built-in.o CC fs/open.o CC kernel/irq/irqdesc.o CC kernel/power/qos.o CC kernel/locking/mutex.o CC fs/read_write.o CC kernel/printk/printk.o CC kernel/locking/semaphore.o CC kernel/irq/handle.o CC kernel/rcu/update.o CC kernel/locking/rwsem.o CC kernel/irq/manage.o LD block/built-in.o CC kernel/locking/percpu-rwsem.o CC kernel/locking/rwsem-xadd.o CC fs/file_table.o LD init/mounts.o CC fs/super.o LD init/built-in.o CC fs/char_dev.o CC fs/stat.o CC kernel/irq/spurious.o CC fs/exec.o CC fs/namei.o CC fs/pipe.o CC fs/ioctl.o LD arch/powerpc/kernel/built-in.o LD kernel/power/built-in.o CC fs/fcntl.o CC fs/readdir.o CC kernel/dma.o CC kernel/up.o CC kernel/elfcore.o CC kernel/rcu/tiny.o CC kernel/rcu/sync.o CC kernel/memremap.o CC kernel/irq/resend.o CC mm/mempool.o LD sound/built-in.o CC kernel/irq/chip.o CC mm/oom_kill.o CC kernel/irq/dummychip.o CC fs/select.o CC kernel/sched/core.o CC fs/dcache.o CC kernel/time/time.o CC kernel/time/timer.o CC kernel/irq/devres.o CC kernel/sched/loadavg.o LD firmware/built-in.o CC kernel/sched/clock.o CC kernel/sched/cputime.o CC kernel/irq/irqdomain.o LD net/built-in.o LD kernel/locking/built-in.o CC mm/maccess.o CC kernel/sched/idle_task.o CC kernel/time/hrtimer.o CC kernel/sched/fair.o LD virt/lib/built-in.o LD kernel/printk/built-in.o CC kernel/sched/rt.o LD virt/built-in.o CC kernel/sched/deadline.o LD security/built-in.o CC fs/inode.o CC fs/attr.o CC kernel/sched/stop_task.o LD kernel/rcu/built-in.o CC fs/bad_inode.o CC kernel/sched/wait.o CC kernel/sched/swait.o CC fs/file.o CC kernel/sched/completion.o CC fs/filesystems.o CC fs/namespace.o CC fs/xattr.o CC fs/seq_file.o CC fs/libfs.o LD drivers/amba/built-in.o CC fs/fs-writeback.o LD drivers/auxdisplay/built-in.o CC kernel/sched/idle.o CC fs/pnode.o CC fs/splice.o LD drivers/block/built-in.o CC fs/sync.o LD drivers/bus/built-in.o CC fs/utimes.o CC lib/lockref.o CC lib/bcd.o CC mm/page_alloc.o CC kernel/time/timekeeping.o LD drivers/char/ipmi/built-in.o CC fs/stack.o LD drivers/cdrom/built-in.o CC drivers/char/mem.o CC lib/div64.o CC mm/page-writeback.o CC fs/fs_struct.o CC fs/fs_pin.o LD drivers/clocksource/built-in.o LD kernel/irq/built-in.o CC fs/statfs.o CC fs/nsfs.o CC fs/no-block.o CC lib/sort.o LD drivers/firewire/built-in.o LD drivers/clk/bcm/built-in.o LD fs/devpts/built-in.o CC drivers/base/component.o CC mm/readahead.o LD drivers/clk/mvebu/built-in.o LD fs/exofs/built-in.o LD drivers/hwtracing/intel_th/built-in.o LD drivers/clk/ti/built-in.o LD drivers/firmware/broadcom/built-in.o LD drivers/clk/built-in.o LD fs/quota/built-in.o CC lib/parser.o LD fs/notify/fanotify/built-in.o CC drivers/base/core.o LD drivers/firmware/tegra/built-in.o LD drivers/firmware/meson/built-in.o LD fs/notify/dnotify/built-in.o LD drivers/idle/built-in.o CC mm/swap.o CC fs/binfmt_elf.o CC kernel/time/ntp.o CC mm/truncate.o CC kernel/time/clocksource.o LD fs/notify/inotify/built-in.o LD drivers/firmware/built-in.o CC fs/ramfs/inode.o LD drivers/gpu/drm/bridge/built-in.o LD drivers/i2c/algos/built-in.o CC fs/ramfs/file-mmu.o LD fs/notify/built-in.o CC drivers/irqchip/irqchip.o LD drivers/gpu/drm/hisilicon/built-in.o LD drivers/lguest/built-in.o CC mm/vmscan.o LD drivers/i2c/busses/built-in.o CC mm/shmem.o CC kernel/time/jiffies.o CC kernel/time/timer_list.o LD drivers/gpu/drm/i2c/built-in.o LD drivers/macintosh/built-in.o LD drivers/i2c/muxes/built-in.o CC kernel/time/timeconv.o LD drivers/i2c/built-in.o LD drivers/gpu/drm/omapdrm/displays/built-in.o LD drivers/gpu/drm/omapdrm/dss/built-in.o LD drivers/gpu/drm/panel/built-in.o LD drivers/mfd/built-in.o LD drivers/mmc/built-in.o CC drivers/char/random.o CC mm/util.o LD drivers/gpu/drm/tilcdc/built-in.o CC kernel/time/timecounter.o LD drivers/gpu/drm/omapdrm/built-in.o LD drivers/nfc/built-in.o LD drivers/net/built-in.o CC lib/halfmd4.o CC lib/debug_locks.o CC lib/random32.o CC lib/bust_spinlocks.o LD drivers/platform/built-in.o LD drivers/misc/cb710/built-in.o LD drivers/nvme/host/built-in.o LD drivers/power/built-in.o CC lib/kasprintf.o LD drivers/nvme/target/built-in.o LD drivers/pwm/built-in.o CC drivers/base/bus.o CC drivers/base/dd.o CC kernel/time/alarmtimer.o LD drivers/gpu/drm/built-in.o LD drivers/ptp/built-in.o CC drivers/of/base.o LD drivers/nvme/built-in.o LD drivers/misc/eeprom/built-in.o LD drivers/soc/bcm/built-in.o CC drivers/pci/access.o CC drivers/pci/bus.o LD drivers/usb/host/built-in.o LD drivers/irqchip/built-in.o LD drivers/media/common/b2c2/built-in.o LD drivers/tty/ipwireless/built-in.o LD drivers/misc/lis3lv02d/built-in.o CC lib/scatterlist.o CC lib/bitmap.o LD drivers/gpu/vga/built-in.o CC mm/vmstat.o LD drivers/video/backlight/built-in.o LD drivers/soc/fsl/built-in.o CC lib/gcd.o CC mm/mmzone.o LD drivers/usb/built-in.o LD drivers/media/common/saa7146/built-in.o CC kernel/time/posix-stubs.o LD drivers/tty/serial/built-in.o CC drivers/char/misc.o LD fs/ramfs/ramfs.o LD drivers/soc/built-in.o LD drivers/misc/mic/bus/built-in.o LD drivers/gpu/built-in.o LD drivers/tty/vt/built-in.o LD fs/ramfs/built-in.o LD drivers/char/agp/built-in.o LD drivers/misc/ti-st/built-in.o CC kernel/time/clockevents.o LD drivers/media/common/siano/built-in.o LD drivers/misc/mic/built-in.o CC kernel/time/tick-common.o LD drivers/tty/built-in.o LD drivers/media/common/v4l2-tpg/built-in.o CC mm/backing-dev.o LD drivers/media/firewire/built-in.o LD drivers/misc/built-in.o LD drivers/media/common/built-in.o CC lib/lcm.o LD drivers/video/fbdev/core/built-in.o CC lib/list_sort.o LD kernel/sched/built-in.o CC mm/mm_init.o CC lib/uuid.o LD drivers/media/i2c/soc_camera/built-in.o CC lib/flex_array.o CC mm/mmu_context.o LD drivers/media/mmc/siano/built-in.o CC lib/iov_iter.o CC lib/clz_ctz.o LD drivers/media/mmc/built-in.o CC lib/bsearch.o LD drivers/media/spi/built-in.o LD drivers/media/i2c/built-in.o LD drivers/media/platform/omap/built-in.o CC lib/find_bit.o LD drivers/media/rc/keymaps/built-in.o LD drivers/video/fbdev/omap2/omapfb/displays/built-in.o LD drivers/media/tuners/built-in.o CC drivers/base/syscore.o CC mm/percpu.o CC lib/llist.o CC mm/slab_common.o LD drivers/video/fbdev/omap2/omapfb/dss/built-in.o CC mm/compaction.o CC lib/memweight.o LD drivers/media/rc/built-in.o LD drivers/media/platform/built-in.o CC mm/vmacache.o CC lib/kfifo.o CC lib/percpu-refcount.o CC lib/percpu_ida.o CC mm/interval_tree.o CC mm/list_lru.o CC lib/rhashtable.o CC lib/reciprocal_div.o LD drivers/video/fbdev/omap2/omapfb/built-in.o CC lib/once.o LD drivers/media/pci/b2c2/built-in.o CC lib/string_helpers.o CC lib/hexdump.o LD drivers/video/fbdev/omap2/built-in.o CC mm/workingset.o CC mm/debug.o CC drivers/base/driver.o CC lib/kstrtox.o LD drivers/media/pci/ddbridge/built-in.o CC lib/pci_iomap.o CC mm/gup.o LD fs/built-in.o LD drivers/video/fbdev/built-in.o CC mm/highmem.o LD drivers/media/usb/b2c2/built-in.o CC lib/iomap_copy.o LD drivers/media/pci/dm1105/built-in.o LD drivers/media/pci/mantis/built-in.o LD drivers/video/built-in.o CC mm/memory.o LD drivers/media/usb/dvb-usb/built-in.o CC lib/devres.o CC mm/mincore.o CC lib/hweight.o LD drivers/media/pci/netup_unidvb/built-in.o LD drivers/media/pci/ngene/built-in.o LD drivers/media/usb/dvb-usb-v2/built-in.o CC lib/bitrev.o HOSTCC lib/gen_crc32table LD drivers/media/pci/pt1/built-in.o LD drivers/media/usb/s2255/built-in.o LD drivers/media/pci/pluto2/built-in.o CC drivers/base/class.o CC lib/syscall.o CC drivers/base/platform.o CC mm/mlock.o CC mm/mmap.o CC lib/atomic64.o LD drivers/media/usb/stkwebcam/built-in.o CC mm/mprotect.o LD drivers/media/pci/pt3/built-in.o LD drivers/media/usb/siano/built-in.o CC lib/strncpy_from_user.o LD drivers/media/pci/saa7146/built-in.o CC drivers/pci/probe.o CC mm/mremap.o LD drivers/media/usb/ttusb-budget/built-in.o CC lib/strnlen_user.o CC drivers/base/cpu.o CC lib/argv_split.o LD drivers/media/pci/smipcie/built-in.o LD drivers/media/usb/ttusb-dec/built-in.o LD drivers/media/pci/ttpci/built-in.o CC lib/chacha20.o LD drivers/media/usb/zr364xx/built-in.o LD drivers/media/pci/built-in.o LD drivers/char/built-in.o CC drivers/pci/host-bridge.o CC drivers/base/firmware.o CC drivers/base/init.o CC drivers/pci/remove.o LD drivers/media/usb/built-in.o CC drivers/base/map.o CC mm/msync.o CC lib/cmdline.o CC mm/rmap.o CC lib/ctype.o CC lib/dec_and_lock.o LD kernel/time/built-in.o CC lib/decompress.o CC lib/dma-noop.o CC lib/dump_stack.o LD kernel/built-in.o CC lib/extable.o CC lib/earlycpio.o CC mm/vmalloc.o CC lib/fdt.o LD drivers/media/built-in.o CC lib/fdt_ro.o CC drivers/base/devres.o CC lib/fdt_empty_tree.o CC drivers/of/device.o CC drivers/of/platform.o CC drivers/of/fdt.o CC mm/pgtable-generic.o CC mm/pagewalk.o CC mm/init-mm.o CC lib/fdt_rw.o CC lib/fdt_strerror.o CC lib/fdt_sw.o CC lib/fdt_wip.o CC lib/flex_proportions.o CC mm/nobootmem.o CC lib/idr.o CC mm/memblock.o CC mm/dmapool.o CC mm/slub.o CC lib/int_sqrt.o CC drivers/pci/pci.o CC lib/ioremap.o CC drivers/pci/pci-driver.o CC lib/irq_regs.o CC lib/is_single_threaded.o CC lib/klist.o CC drivers/base/attribute_container.o CC lib/kobject_uevent.o CC lib/kobject.o CC drivers/base/transport_class.o CC lib/md5.o CC lib/nmi_backtrace.o CC lib/nodemask.o CC lib/radix-tree.o CC lib/plist.o CC lib/ratelimit.o CC drivers/base/topology.o CC lib/rbtree.o CC lib/seq_buf.o CC drivers/base/container.o CC lib/sha1.o CC drivers/base/property.o CC lib/show_mem.o CC lib/string.o CC lib/timerqueue.o CC drivers/base/cacheinfo.o CC drivers/pci/search.o CC lib/vsprintf.o CC lib/win_minmax.o CC drivers/pci/pci-sysfs.o GEN lib/crc32table.h CC drivers/pci/rom.o CC lib/crc32.o CC drivers/pci/setup-res.o LD drivers/base/power/built-in.o CC drivers/pci/irq.o LD drivers/base/test/built-in.o CC drivers/of/irq.o CC drivers/of/address.o CC drivers/base/dma-mapping.o CC drivers/of/fdt_address.o CC drivers/pci/vpd.o CC drivers/of/of_pci.o CC drivers/of/of_pci_irq.o CC drivers/pci/setup-bus.o CC drivers/of/of_reserved_mem.o CC drivers/pci/vc.o CC drivers/pci/syscall.o CC drivers/pci/of.o LD drivers/pci/host/built-in.o AR lib/lib.a EXPORTS lib/lib-ksyms.o LD lib/built-in.o LD drivers/base/built-in.o LD drivers/of/built-in.o LD drivers/pci/built-in.o LD drivers/built-in.o LD mm/built-in.o GEN .version CHK include/generated/compile.h UPD include/generated/compile.h CC init/version.o LD init/built-in.o LD vmlinux.o MODPOST vmlinux.o LD vmlinux SORTEX vmlinux SYSMAP System.map /opt/cross/kisskb/gcc-5.3.0-nolibc/powerpc64-linux/bin/powerpc64-linux-strip -s -R .comment vmlinux -o arch/powerpc/boot/vmlinux.strip make[1]: Leaving directory '/home/kisskb/slave/build/powerpc-next_powerpc-allnoconfig_powerpc-5.3' Completed OK # rm -rf /home/kisskb/slave/build/powerpc-next_powerpc-allnoconfig_powerpc-5.3 # Build took: 0:00:15.556243